RFR: 8017513: Support for closeable streams

[Henry Jen]

On 07/10/2013 03:17 PM, Zhong Yu wrote:
> A few things that require clarification:
> 
> If we have
> 
>     interface A extends B, C
>     interface B extends MayHoldCloseableResource
>     interface C extends AutoCloseable
> 
> is A considered definitely holding resource?

Not programatically. A is both, from MHCR perspective, it's not without
the annotation.

> 
> If @HoldsResource is applied to a subtype of MayHoldCloseableResource
> 
>     @HoldsResource
>     interface D extends B
> 
> What does it mean?
> 

I would think that means instances of D holds resource.

> If it mean that D definitely holds resource, is @HoldResource still
> necessary on  methods that return D?

Not necessary.

Cheers,
Henry